| article html file updated | 6 February 2020 04:34 CET | Update | https://www.mdpi.com/2072-6643/5/10/3839 |
| article html file updated | 20 September 2019 01:25 CEST | Update | - |
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| article html file updated | 5 November 2013 09:21 CET | Original file | - |
| article xml file uploaded | 5 November 2013 09:21 CET | Original file | https://www.mdpi.com/2072-6643/5/10/3839/xml |
| article pdf uploaded. | 26 September 2013 10:41 CEST | Version of Record | https://www.mdpi.com/2072-6643/5/10/3839/pdf |
